%I A067501
%S A067501 1,4,68719476736,95780971304118053647396689196894323976171195136475136,
%T A067501 25108406941546723055343157692830665664409421777856138051584,
%U A067501 1606938044258990275541962092341162602522202993782792835301376
%N A067501 Powers of 4 with digit sum also a power of 4.
%Y A067501 Cf. A067499, A067500.
%Y A067501 Sequence in context: A067508 A034250 A058436 this_sequence A066545 A161405 
               A147876
%Y A067501 Adjacent sequences: A067498 A067499 A067500 this_sequence A067502 A067503 
               A067504
%K A067501 nonn,base
%O A067501 0,2
%A A067501 Amarnath Murthy (amarnath_murthy(AT)yahoo.com), Feb 11 2002
%E A067501 More terms from Sascha Kurz (sascha.kurz(AT)uni-bayreuth.de), Mar 18 
               2002